•Reverse transcribing viruses (retroviruses or telomerase reverse transcriptase in eukaryotic chromosomes) replicate their genomes by reverse transcribing DNA copies from their RNA (Reverse transcriptase )
•Convert single-stranded genomic RNA into double-stranded complementary DNA (cDNA)
•These DNA copies are then transcribed to new RNA.
Reverse transcription
Widely used in the laboratory to convert RNA to DNA for use in polymerase chain reaction (PCR), or genome analysis